A band explains how to calculate percentages in a catchy song.

Bad Man challenges Amber and Michael to identify numbers in the tenths and hundredths places from a fixed set. After they successfully complete the challenge, he asks them to place the numbers in order on the number line.

On Christmas Eve, Ms. O is surprised to learn from Santa that she is on his naughty list. Santa shows her that she has performed more naughty actions than nice actions and explains his use of the "greater than" symbol. Unless she performs more nice actions than naughty actions before Christmas, Ms. O will not receive any presents.

The kids order the numbers by comparing decimal places.

Bad Man challenges Sarah and Nico to add numbers with decimals up to the hundredths place. They walk through their process in a manner that is easy to follow and eventually calculate the correct answer. Before they start solving the problem, Bad Man reminds them to estimate so that they can quickly determine if they've gone astray.